Pith Number

pith:Y7QKR6TO

pith:2011:Y7QKR6TOKOFBRQT4ZKREOEDUC3

not attested not anchored not stored refs pending

Multi-task Regression using Minimal Penalties

Francis Bach (LIENS, INRIA Paris - Rocquencourt), Matthieu Solnon (LIENS, Sylvain Arlot (LIENS

arxiv:1107.4512 v3 · 2011-07-22 · math.ST · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7QKR6TOKOFBRQT4ZKREOEDUC3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:42:32.308736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e0a8fa6e538a18c27ccaa247107416e46aee1a1c15f46bc553f9fc33718db3

Aliases

arxiv: 1107.4512 · arxiv_version: 1107.4512v3 · doi: 10.48550/arxiv.1107.4512 · pith_short_12: Y7QKR6TOKOFB · pith_short_16: Y7QKR6TOKOFBRQT4 · pith_short_8: Y7QKR6TO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y7QKR6TOKOFBRQT4ZKREOEDUC3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c7e0a8fa6e538a18c27ccaa247107416e46aee1a1c15f46bc553f9fc33718db3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77b9835086bac0ae21682a5baa012f86a3c76c898767aafd257814315634ead",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-07-22T13:12:42Z",
    "title_canon_sha256": "4427e007e0cd7d45e34195aee897a83b3334ff10f49f0800b6fc931d8a4f790a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4512",
    "kind": "arxiv",
    "version": 3
  }
}